feat(gateway): add configuration options for Telegram, WhatsApp, Slack, and Discord gateways

docker/.env.example

@@ -265,6 +265,43 @@ STT_SERVICE=local/base
 # COMPOSIO_ENABLED=TRUE
 # COMPOSIO_REDIRECT_URI=http://localhost:8000/api/v1/auth/composio/connector/callback
 
+# ------------------------------------------------------------------------------
+# Messaging Gateways (optional)
+# ------------------------------------------------------------------------------
+# Configure only the gateways you want to use.
+
+# -- Telegram Gateway --
+# TELEGRAM_SHARED_BOT_TOKEN=
+# TELEGRAM_SHARED_BOT_USERNAME=
+# TELEGRAM_WEBHOOK_SECRET=
+# GATEWAY_BASE_URL=http://localhost:8929
+# GATEWAY_TELEGRAM_INTAKE_MODE=webhook
+
+# -- WhatsApp Gateway --
+# GATEWAY_WHATSAPP_INTAKE_MODE=disabled
+# WHATSAPP_SHARED_BUSINESS_TOKEN=
+# WHATSAPP_SHARED_PHONE_NUMBER_ID=
+# WHATSAPP_SHARED_DISPLAY_PHONE_NUMBER=
+# WHATSAPP_SHARED_WABA_ID=
+# WHATSAPP_GRAPH_API_VERSION=v25.0
+# WHATSAPP_WEBHOOK_VERIFY_TOKEN=
+# WHATSAPP_WEBHOOK_APP_SECRET=
+# WHATSAPP_BRIDGE_URL=http://whatsapp-bridge:9929
+
+# -- Slack Gateway --
+# Uses SLACK_CLIENT_ID and SLACK_CLIENT_SECRET from the Slack connector section.
+#
+# GATEWAY_SLACK_ENABLED=FALSE
+# GATEWAY_SLACK_SIGNING_SECRET=
+# GATEWAY_SLACK_REDIRECT_URI=http://localhost:8929/api/v1/gateway/slack/callback
+
+# -- Discord Gateway --
+# Uses DISCORD_CLIENT_ID, DISCORD_CLIENT_SECRET, and DISCORD_BOT_TOKEN from the
+# Discord connector section.
+#
+# GATEWAY_DISCORD_ENABLED=FALSE
+# GATEWAY_DISCORD_REDIRECT_URI=http://localhost:8929/api/v1/gateway/discord/callback
+
 # ------------------------------------------------------------------------------
 # SearXNG (bundled web search — works out of the box, no config needed)
 # ------------------------------------------------------------------------------